Keywords: APOL1; African; Apolipoprotein L1; Chronic; Focal Segmental; Genetic; Genetics; Genotype; Glomerulosclerosis; Kidney Failure; Prevalence; Registries; Retrospective Studies; Selection; Tissue Donors; Transplant Recipients; Trypanosomiasis; chronic kidney disease; hypertension; kidney; kidney transplantation; lupus nephritis; quality of life; renal dialysis.